what the hell is a nug i keep hearin people say it but i dunno what it means. im good on most other words its just this one i got trouble with.
1 Improper use of contact lenses or steroid eyedrops can lead to fungal infections, which in turn can cause corneal ulcers. Also, a corneal injury that results in plant material getting into the eye can lead to fungal keratitis.  Acanthamoeba are microscopic, single-celled amoeba that can cause human infection.
Most duodenal ulcers are caused by the H pylori bacteria. This bacteria burrows into the lining of the stomach and duodenum, thereby compromising the protective layer. Acid and digestive enzymes then cause the ulcer. Gastric Ulcer. A gastric ulcer is located in the stomach proper and is second most common of the types of stomach ulcers. This ulcer type is also caused by H pylori the majority of the time. Gastric ulcers do have a few differences.